delusion, n. 1. misconception, misapprehension, misunderstanding, misinterpretation, misconstruction, misbelief; fallacy, error, mistake; self-deception, fool's paradise; illusion, false impression, myth, ignis fatuus, will-o'-the-wisp, bubble; hallucination, vision, mirage, dream; apparition, chimera, fancy, phantasm, phantasmagoria, specter.
2. deception, trick, stratagem, ruse, artifice, pretense, Obs. cog; contrivance, wile, subterfuge, misrepresentation; fake, sham, hoax, swindle, shuck, feint, blind; fraud, imposture, imposition, Law. covin, humbug, Inf. flimflam, Inf. flam; falsehood, lie, fib, untruth, prevarication.
3. magic, conjuring, legerdemain, prestidigitation, sleight of hand, trickery; jugglery, trumpery, dupery, hocus-pocus, shenanigan.
delusive, adj. 1. deceptive, misleading, fallacious, illusory, illusive, spurious, factitious; evasive, dodgy, elusive, slippery, shifty; specious, sham, bogus, counterfeit, mock, pseudo, artificial; false, unreal, make-believe, feigned, pretended; imaginary, fancied, fantastic, chimerical, visionary.
2. deceitful, untrustworthy, underhanded, crooked, dishonest, fraudulent; insincere, disingenuous, mendacious, untruthful, hollow; double-dealing, artful, crafty, cunning, sly, snaky, foxy; two-faced, Janusfaced, hypocritical.
delve, v. search, research, investigate, search out; unearth, dig up, hunt up or out, ferret out; pursue, track, trail, follow the trail, trace; explore, probe, penetrate, sound, fathom, look into, go deeply into; peer, pry, look behind the scenes, make inquiry, fish for; rummage, ransack, turn upside down.
demagogue, n. rabble rouser, agitator, firebrand, haranguer, soapbox orator; wrangler, malcontent, troublemaker.
demagoguery, n. 1. demagogism, rabble rousing; agitation, fomentation, incitation, exhortation, instigation, provocation, trouble making.
2. fanaticism, dogmatism, bigotry, jingoism, chauvinism; red scare, McCarthyism.
demand, v. 1. claim, lay claims to, claim as a right; solicit, order, requisition; dun, extort; inquire for or after, seek, make inquiry.
2. ask, call for, insist on, importune, clamor, cry; supplicate, entreat, obtest, adjure, impetrate; invoke, press, urge; exact, impose, sue.
3. require, need, want, lack, stand or be in need of; call for, ache for.
-n. 4. request, requirement, order, direction, command, charge, bidding, behest, call; requisition, draft, application; inquiry, suit, petition, ultimatum, mandate, injunction, precept, decree; exaction, imposition.
5. want, need, requirement, necessity, essentiality, exigency.
6. in demand popular, sought after, fashionable, celebrated, admired, in vogue, Inf. the people's choice, Inf. the in thing.
demarcation, n. 1. border, boundary, bound, bourn; pale, line, limit, frontier; distinction, differentiation.
2. separation, delimitation, definition, marking off; division, partition.
demean, v. 1. degrade, debase, vitiate, lower in dignity or standing or rank, reduce, depreciate, devalue, demote, depose, discredit; shame, disgrace, dishonor, humble, humiliate, mortify, Inf. put down; belittle, deprecate, disparage, decry, deflate.
2. (all of oneself) comport, deport, bear, conduct, carry, act, acquit, steer, manage, maintain; behave, play or do one's part.